package airthmetic.exercise.queue;

/**
 * @author Douhy
 * @Date 2021/12/22
 * @Description 链表对象 leetCode提供
 *
 */
public class ListNode {
    int val;
    ListNode next;

    ListNode() {
    }

    ListNode(int val) {
        this.val = val;
    }

    ListNode(int val, ListNode next) {
        this.val = val;
        this.next = next;
    }


    @Override
    public String toString() {
        return val + "->" + next;
    }
}